RC2 - second release candidate

• extension to multidimensional data
  • return shape of variable
  • identification of mixte variables / coordinates
  • add relation_partition method
• issues ENH : #4, #5

RC1 - release candidate

• add connectot with pandas DataFrame
• bugs : #1, #2, #3
• update documenation

First version

• indicators for fields and datasets
• partitions identification
• dataset tree representation